the app created

.flutter-plugins

@@ -0,0 +1,17 @@
+# This is a generated file; do not edit or check into version control.
+flutter_secure_storage=C:\\Users\\Oguzhan\\AppData\\Local\\Pub\\Cache\\hosted\\pub.dev\\flutter_secure_storage-8.0.0\\
+flutter_secure_storage_linux=C:\\Users\\Oguzhan\\AppData\\Local\\Pub\\Cache\\hosted\\pub.dev\\flutter_secure_storage_linux-1.1.3\\
+flutter_secure_storage_macos=C:\\Users\\Oguzhan\\AppData\\Local\\Pub\\Cache\\hosted\\pub.dev\\flutter_secure_storage_macos-3.0.0\\
+flutter_secure_storage_web=C:\\Users\\Oguzhan\\AppData\\Local\\Pub\\Cache\\hosted\\pub.dev\\flutter_secure_storage_web-1.1.1\\
+flutter_secure_storage_windows=C:\\Users\\Oguzhan\\AppData\\Local\\Pub\\Cache\\hosted\\pub.dev\\flutter_secure_storage_windows-2.0.0\\
+path_provider=C:\\Users\\Oguzhan\\AppData\\Local\\Pub\\Cache\\hosted\\pub.dev\\path_provider-2.0.14\\
+path_provider_android=C:\\Users\\Oguzhan\\AppData\\Local\\Pub\\Cache\\hosted\\pub.dev\\path_provider_android-2.0.25\\
+path_provider_foundation=C:\\Users\\Oguzhan\\AppData\\Local\\Pub\\Cache\\hosted\\pub.dev\\path_provider_foundation-2.2.2\\
+path_provider_linux=C:\\Users\\Oguzhan\\AppData\\Local\\Pub\\Cache\\hosted\\pub.dev\\path_provider_linux-2.1.10\\
+path_provider_windows=C:\\Users\\Oguzhan\\AppData\\Local\\Pub\\Cache\\hosted\\pub.dev\\path_provider_windows-2.1.5\\
+shared_preferences=C:\\Users\\Oguzhan\\AppData\\Local\\Pub\\Cache\\hosted\\pub.dev\\shared_preferences-2.1.0\\
+shared_preferences_android=C:\\Users\\Oguzhan\\AppData\\Local\\Pub\\Cache\\hosted\\pub.dev\\shared_preferences_android-2.1.2\\
+shared_preferences_foundation=C:\\Users\\Oguzhan\\AppData\\Local\\Pub\\Cache\\hosted\\pub.dev\\shared_preferences_foundation-2.2.1\\
+shared_preferences_linux=C:\\Users\\Oguzhan\\AppData\\Local\\Pub\\Cache\\hosted\\pub.dev\\shared_preferences_linux-2.2.0\\
+shared_preferences_web=C:\\Users\\Oguzhan\\AppData\\Local\\Pub\\Cache\\hosted\\pub.dev\\shared_preferences_web-2.1.0\\
+shared_preferences_windows=C:\\Users\\Oguzhan\\AppData\\Local\\Pub\\Cache\\hosted\\pub.dev\\shared_preferences_windows-2.2.0\\

.flutter-plugins-dependencies

@@ -0,0 +1 @@
+{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"flutter_secure_storage","path":"C:\\\\Users\\\\Oguzhan\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\flutter_secure_storage-8.0.0\\\\","native_build":true,"dependencies":[]},{"name":"path_provider_foundation","path":"C:\\\\Users\\\\Oguzhan\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\path_provider_foundation-2.2.2\\\\","native_build":true,"dependencies":[]},{"name":"shared_preferences_foundation","path":"C:\\\\Users\\\\Oguzhan\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\shared_preferences_foundation-2.2.1\\\\","native_build":true,"dependencies":[]}],"android":[{"name":"flutter_secure_storage","path":"C:\\\\Users\\\\Oguzhan\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\flutter_secure_storage-8.0.0\\\\","native_build":true,"dependencies":[]},{"name":"path_provider_android","path":"C:\\\\Users\\\\Oguzhan\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\path_provider_android-2.0.25\\\\","native_build":true,"dependencies":[]},{"name":"shared_preferences_android","path":"C:\\\\Users\\\\Oguzhan\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\shared_preferences_android-2.1.2\\\\","native_build":true,"dependencies":[]}],"macos":[{"name":"flutter_secure_storage_macos","path":"C:\\\\Users\\\\Oguzhan\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\flutter_secure_storage_macos-3.0.0\\\\","native_build":true,"dependencies":[]},{"name":"path_provider_foundation","path":"C:\\\\Users\\\\Oguzhan\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\path_provider_foundation-2.2.2\\\\","native_build":true,"dependencies":[]},{"name":"shared_preferences_foundation","path":"C:\\\\Users\\\\Oguzhan\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\shared_preferences_foundation-2.2.1\\\\","native_build":true,"dependencies":[]}],"linux":[{"name":"flutter_secure_storage_linux","path":"C:\\\\Users\\\\Oguzhan\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\flutter_secure_storage_linux-1.1.3\\\\","native_build":true,"dependencies":[]},{"name":"path_provider_linux","path":"C:\\\\Users\\\\Oguzhan\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\path_provider_linux-2.1.10\\\\","native_build":false,"dependencies":[]},{"name":"shared_preferences_linux","path":"C:\\\\Users\\\\Oguzhan\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\shared_preferences_linux-2.2.0\\\\","native_build":false,"dependencies":["path_provider_linux"]}],"windows":[{"name":"flutter_secure_storage_windows","path":"C:\\\\Users\\\\Oguzhan\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\flutter_secure_storage_windows-2.0.0\\\\","native_build":true,"dependencies":[]},{"name":"path_provider_windows","path":"C:\\\\Users\\\\Oguzhan\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\path_provider_windows-2.1.5\\\\","native_build":false,"dependencies":[]},{"name":"shared_preferences_windows","path":"C:\\\\Users\\\\Oguzhan\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\shared_preferences_windows-2.2.0\\\\","native_build":false,"dependencies":["path_provider_windows"]}],"web":[{"name":"flutter_secure_storage_web","path":"C:\\\\Users\\\\Oguzhan\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\flutter_secure_storage_web-1.1.1\\\\","dependencies":[]},{"name":"shared_preferences_web","path":"C:\\\\Users\\\\Oguzhan\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\shared_preferences_web-2.1.0\\\\","dependencies":[]}]},"dependencyGraph":[{"name":"flutter_secure_storage","dependencies":["flutter_secure_storage_linux","flutter_secure_storage_macos","flutter_secure_storage_web","flutter_secure_storage_windows"]},{"name":"flutter_secure_storage_linux","dependencies":[]},{"name":"flutter_secure_storage_macos","dependencies":[]},{"name":"flutter_secure_storage_web","dependencies":[]},{"name":"flutter_secure_storage_windows","dependencies":[]},{"name":"path_provider","dependencies":["path_provider_android","path_provider_foundation","path_provider_linux","path_provider_windows"]},{"name":"path_provider_android","dependencies":[]},{"name":"path_provider_foundation","dependencies":[]},{"name":"path_provider_linux","dependencies":[]},{"name":"path_provider_windows","dependencies":[]},{"name":"shared_preferences","dependencies":["shared_preferences_android","shared_preferences_foundation","shared_preferences_linux","shared_preferences_web","shared_preferences_windows"]},{"name":"shared_preferences_android","dependencies":[]},{"name":"shared_preferences_foundation","dependencies":[]},{"name":"shared_preferences_linux","dependencies":["path_provider_linux"]},{"name":"shared_preferences_web","dependencies":[]},{"name":"shared_preferences_windows","dependencies":["path_provider_windows"]}],"date_created":"2023-04-26 18:16:17.907544","version":"3.7.11"}

.gitignore

@@ -2,6 +2,8 @@
 
 # Files and directories created by pub
 .dart_tool/
+.flutter-plugins
+.flutter-plugins-dependencies
 .packages
 build/
 # If you're building an application, you may want to check-in your pubspec.lock
@@ -19,3 +21,5 @@ doc/api/
 *.js_
 *.js.deps
 *.js.map
+*.env
+*env.g.dart

android/app/build.gradle

@@ -47,7 +47,7 @@ android {
         applicationId "com.example.chatgpt_flutter_case"
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
-        minSdkVersion flutter.minSdkVersion
+        minSdkVersion 21
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName

lib/core/constants/constants_shelf.dart

@@ -0,0 +1,3 @@
+export 'global_variables.dart';
+export 'shared_preferences_keys.dart';
+export 'string_constants.dart';

lib/core/constants/global_variables.dart

@@ -0,0 +1,11 @@
+import '../core_shelf.dart';
+import '../locator.dart';
+
+class GVariables {
+  static final navigator = NavigationService.instance;
+  static final context = NavigationService.instance.navigatorKey.currentContext!;
+  static SPService spService = getIt<SPService>();
+  static final DialogService dialogService = DialogService();
+  static final OpenAIService openAIService = OpenAIService();
+  static final SecureStorage secureStorage = SecureStorage();
+}

lib/core/constants/shared_preferences_keys.dart

@@ -0,0 +1,3 @@
+class SPKeys {
+  static const isDark = 'isDark';
+}

lib/core/constants/string_constants.dart

@@ -0,0 +1,3 @@
+class StringConstants {
+  static String infoText = 'We’ve trained a model called ChatGPT which interacts in a conversational way.';
+}

lib/core/core_shelf.dart

@@ -0,0 +1,5 @@
+export 'constants/constants_shelf.dart';
+export 'providers/providers_shelf.dart';
+export 'theme/theme_shelf.dart';
+export 'services/services_shelf.dart';
+export 'widgets/widgets_shelf.dart';

lib/core/init/helpers/utils.dart

@@ -0,0 +1,26 @@
+import 'package:flutter/services.dart';
+
+import '../../core_shelf.dart';
+
+class Utils {
+  static final Utils _instance = Utils();
+  static Utils get instance => _instance;
+
+  void setSystemUi(bool isDark) {
+    SystemChrome.setSystemUIOverlayStyle(
+      SystemUiOverlayStyle(
+        statusBarBrightness: isDark ? Brightness.light : Brightness.dark,
+        statusBarIconBrightness: isDark ? Brightness.dark : Brightness.light,
+        systemNavigationBarColor: Color(isDark ? 0xffffff : 0xff121212),
+        statusBarColor: Color(isDark ? 0xff16151A : 0xffF6F8FA),
+        systemNavigationBarIconBrightness: isDark ? Brightness.dark : Brightness.light,
+      ),
+    );
+  }
+
+  Future<void> onThemeChanged(bool isDark, ThemeProvider themeNotifier) async {
+    Utils.instance.setSystemUi(isDark);
+    isDark ? themeNotifier.theme = getDarkTheme() : themeNotifier.theme = getLightTheme();
+    await GVariables.spService.setIsDark(isDark);
+  }
+}

lib/core/locator.dart

@@ -0,0 +1,8 @@
+import 'package:chatgpt_flutter_case/core/services/locale_services/sp_service.dart';
+import 'package:get_it/get_it.dart';
+
+GetIt getIt = GetIt.instance;
+
+void setupLocators() {
+  getIt.registerLazySingleton(() => SPService());
+}

lib/core/models/message_model.dart

@@ -0,0 +1,52 @@
+class MessageModel {
+  final String message;
+  final String sender;
+  final DateTime time;
+
+  MessageModel({
+    required this.message,
+    required this.sender,
+    required this.time,
+  });
+
+  factory MessageModel.fromJson(Map<String, dynamic> json) {
+    return MessageModel(
+      message: json['message'],
+      sender: json['sender'],
+      time: DateTime.parse(json['time']),
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'message': message,
+      'sender': sender,
+      'time': time.toIso8601String(),
+    };
+  }
+}
+
+class ConversationModel {
+  List<MessageModel>? messages;
+
+  ConversationModel({
+    this.messages,
+  });
+
+  ConversationModel.fromJson(Map<String, dynamic> json) {
+    if (json['messages'] != null) {
+      messages = <MessageModel>[];
+      json['messages'].forEach((v) {
+        messages?.add(MessageModel.fromJson(v));
+      });
+    }
+  }
+
+  Map<String, dynamic> toJson() {
+    final data = <String, dynamic>{};
+    if (messages != null) {
+      data['messages'] = messages?.map((v) => v.toJson()).toList();
+    }
+    return data;
+  }
+}

lib/core/providers/chat_provider.dart

@@ -0,0 +1,28 @@
+import 'package:chatgpt_flutter_case/core/models/message_model.dart';
+import 'package:flutter/material.dart';
+
+class ChatProvider extends ChangeNotifier {
+  ConversationModel _conversationModel = ConversationModel(messages: []);
+  ConversationModel get conversationModel => _conversationModel;
+
+  bool _awaitingResponse = false;
+  bool get awaitingResponse => _awaitingResponse;
+
+  bool _shouldAnimate = true;
+  bool get shouldAnimate => _shouldAnimate;
+
+  void insertMessage(MessageModel message) {
+    _conversationModel.messages!.insert(0, message);
+    notifyListeners();
+  }
+
+  void setAwaitingResponse(bool value) {
+    _awaitingResponse = value;
+    notifyListeners();
+  }
+
+  void setShouldAnimate(bool value) {
+    _shouldAnimate = value;
+    notifyListeners();
+  }
+}

lib/core/providers/provider_list.dart

@@ -0,0 +1,26 @@
+import 'package:chatgpt_flutter_case/core/providers/chat_provider.dart';
+import 'package:chatgpt_flutter_case/core/providers/theme_provider.dart';
+import 'package:provider/provider.dart';
+import 'package:provider/single_child_widget.dart';
+
+import '../constants/global_variables.dart';
+
+class ApplicationProvider {
+  static ApplicationProvider? _instance;
+  static ApplicationProvider? get instance {
+    _instance ??= ApplicationProvider._init();
+    return _instance;
+  }
+
+  ApplicationProvider._init();
+
+  List<SingleChildWidget> dependItems = [
+    ChangeNotifierProvider(
+      create: (context) => ThemeProvider(),
+    ),
+    ChangeNotifierProvider(
+      create: (context) => ChatProvider(),
+    ),
+    Provider.value(value: GVariables.navigator)
+  ];
+}

lib/core/providers/providers_shelf.dart

@@ -0,0 +1,3 @@
+export 'provider_list.dart';
+export 'theme_provider.dart';
+import 'package:provider/provider.dart';

lib/core/providers/theme_provider.dart

@@ -0,0 +1,44 @@
+import 'package:chatgpt_flutter_case/core/constants/global_variables.dart';
+import 'package:flutter/material.dart';
+
+import '../theme/dark_theme.dart';
+import '../theme/light_theme.dart';
+
+class ThemeProvider with ChangeNotifier {
+  ThemeData _themeData = getLightTheme();
+  static final ThemeProvider _instance = ThemeProvider();
+  static ThemeProvider get instance => _instance;
+
+  ThemeData get theme => _instance._themeData;
+
+  set theme(ThemeData themeData) {
+    _instance._themeData = themeData;
+    GVariables.spService.setIsDark(theme == getDarkTheme());
+    notifyListeners();
+  }
+
+  Future<void> fetchLocale() async {
+    var isDark = GVariables.spService.getIsDark();
+    if (!isDark) {
+      _instance._themeData = getLightTheme();
+      _themeData = getLightTheme();
+    } else {
+      _instance._themeData = getDarkTheme();
+      _themeData = getDarkTheme();
+    }
+    notifyListeners();
+  }
+
+  changeTheme() {
+    if (_instance.theme == getDarkTheme()) {
+      _instance.theme = getLightTheme();
+    } else {
+      _instance.theme = getDarkTheme();
+    }
+    notifyListeners();
+  }
+
+  bool isDark() {
+    return _instance.theme == getDarkTheme();
+  }
+}

lib/core/services/locale_services/dialog_service.dart

@@ -0,0 +1,16 @@
+import 'package:chatgpt_flutter_case/core/widgets/settings_view/settings_view.dart';
+import 'package:flutter/material.dart';
+
+class DialogService {
+  void showBottomSheet(
+    BuildContext context,
+  ) {
+    showModalBottomSheet(
+      context: context,
+      shape: RoundedRectangleBorder(
+        borderRadius: BorderRadius.circular(10.0),
+      ),
+      builder: (context) => const SettingsView(),
+    );
+  }
+}

lib/core/services/locale_services/locale_service_shelf.dart

@@ -0,0 +1,4 @@
+export 'dialog_service.dart';
+export 'navigation_service.dart';
+export 'sp_service.dart';
+export 'secure_storage.dart';

lib/core/services/locale_services/navigation_service.dart

@@ -0,0 +1,32 @@
+import 'package:flutter/material.dart';
+
+class NavigationService {
+  static final NavigationService _instance = NavigationService._init();
+  static NavigationService get instance => _instance;
+
+  NavigationService._init();
+
+  GlobalKey<NavigatorState> navigatorKey = GlobalKey();
+  // ignore: prefer_function_declarations_over_variables
+  final removeAllOldRoutes = (route) => false;
+
+  Future<void> push({
+    required Widget route,
+  }) async {
+    await navigatorKey.currentState?.push(MaterialPageRoute(builder: (context) => route));
+  }
+
+  Future<void> pushAndRemoveUntil({required Widget route}) async {
+    await navigatorKey.currentState
+        ?.pushAndRemoveUntil(MaterialPageRoute(builder: (context) => route), (route) => false);
+  }
+
+  void pop<T>({T? result}) {
+    return navigatorKey.currentState?.pop(result);
+  }
+
+  bool canPop() {
+    final NavigatorState? navigator = Navigator.maybeOf(navigatorKey.currentState!.context);
+    return navigator != null && navigator.canPop();
+  }
+}

lib/core/services/locale_services/secure_storage.dart

@@ -0,0 +1,40 @@
+import 'dart:convert';
+
+import 'package:chatgpt_flutter_case/core/models/message_model.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+
+class SecureStorage {
+  FlutterSecureStorage get getStorage {
+    // ignore: no_leading_underscores_for_local_identifiers
+    AndroidOptions _getAndroidOptions() => const AndroidOptions(
+          encryptedSharedPreferences: true,
+        );
+    return FlutterSecureStorage(aOptions: _getAndroidOptions());
+  }
+
+  Future<void> saveMessage(ConversationModel messages) async {
+    final storage = getStorage;
+    final messageList = await storage.read(key: 'messages');
+    if (messageList == null) {
+      await storage.write(key: 'messages', value: jsonEncode([messages.toJson()]));
+    } else {
+      await storage.write(key: 'messages', value: '$messageList,${jsonEncode([messages.toJson()])}');
+    }
+  }
+
+  Future<List<ConversationModel>> getMessages() async {
+    final storage = getStorage;
+    final messageList = await storage.read(key: 'messages');
+    if (messageList == null) {
+      return [];
+    } else {
+      final messageListDecoded = jsonDecode(messageList).cast<Map<String, dynamic>>().toList();
+      return List.generate(messageListDecoded.length, (index) => ConversationModel.fromJson(messageListDecoded[index]));
+    }
+  }
+
+  Future<void> clearMessages() async {
+    final storage = getStorage;
+    await storage.delete(key: 'messages');
+  }
+}

lib/core/services/locale_services/sp_service.dart

@@ -0,0 +1,17 @@
+import 'package:chatgpt_flutter_case/core/constants/shared_preferences_keys.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+class SPService {
+  late SharedPreferences prefs;
+  Future<void> init() async {
+    prefs = await SharedPreferences.getInstance();
+  }
+
+  Future<bool> setIsDark(bool isDark) async {
+    return prefs.setBool(SPKeys.isDark, isDark);
+  }
+
+  bool getIsDark() {
+    return prefs.getBool(SPKeys.isDark) ?? false;
+  }
+}